Sharp Aquos 007SH, Nokia N82, Nokia N97, iPhone 3GS (32GB)
Well ... Japan only has UMTS 2100 3G, and I'm not sure if you can use 3G for making calls or if that is only through 2G GSM, because Japan doesn't use GSM, I don't really know what do they use. You should search if your razr maxx is UMTS 2100 3G compatible, then you might have a chance, if not I don't know. I hope someone else in this forum can make a better answer than I did xD
"droid" line are on Verizon's CDMA / LTE network. DoCoMo is a HSPA / LTE network, and no clue if the LTE is at all compatible with Verizon's.
Check with Verizon if you can unlock your phone to use it on foreign HSPA/3G/LTE networks, and what the bands are that are supported, I'm sure they can give you this info. On Verizon there have been in the past, IIRC, world phones that could be used on foreign networks with GSM or 3G networks...
On non-Xi plans, they automatically assume a foreign, unlocked phone, can tether. This means they automatically slap you with the tethering data plan, which used to extend to ¥10,000/month. Now they "graciously" lowered it to ¥8,130/month or so. That's assuming they'll even accept your phone on their network (you will get NO data at all unless you go to a shop and register the phone's IMEI on their network, and they have specific rules for that related to phone certification, think Japan's equivalent to FCC).
Xi is a bit different, if only cuz it's more expensive and still new, so if you could get on a Xi plan then it's more worth it. But, will the Razr be compatible? Can it even use 3G/HSPA/foreignLTE networks outside the USA, or are the bands there only for a roaming Verizon customer?
That's questions you will need to ask Verizon directly, because I honestly don't know, and haven't seen much information about that at all over the forums.
also I was thinking about going to AU but wimax in japan is almost nowhere compared to LTE right?
also its the regular one and not the maxx which kinda sucks :/
Wrong, wimax has a 2 year headstart on LTE. I get reception nearly everywhere in Tokyo, although I lose signal when I'm on a train moving too fast or going underground/in basements. I got reception as far as Fukuoka, and that was a year ago, so it's surely better by now (unless KDDI is investing all into LTE and not adding WiMax towers).